Answer: It will produce 40 chloride ions
Explanation: When in water, Calcium chloride separate in ions, as the following chemical equation:
CaCl₂ + H₂O ⇒
According to the equation, 1 calcium chloride results in 2 chloride ions, so if there are 20 units of the chemical compound, there will be 2 times as much Chlorine ions, i.e., 40 units of chlorine ions.
2 electrons on the first ring, 8 on the second, and 3 on the third ring
The trend is that as you move along the period (from left to right in a row) the atomic radius decreases.
The answer is A, I hope this helps you!
Answer:
B) On genes within chromosomes
Explanation: